1. List what European countries were involved in exploration:

2. What is the approximate timeline for European Exploration?

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1. The European countries involved in exploration include:

- Portugal
- Spain
- England
- France
- Netherlands
- Italy
- Germany
- Denmark
- Sweden
- Norway
- Russia

2. The approximate timeline for European exploration is as follows:

- 1419-1522: Portuguese exploration led by Henry the Navigator, Vasco da Gama, and Ferdinand Magellan
- 1492-1542: Spanish exploration led by Christopher Columbus and Hernán Cortés
- 1497-1498: English exploration led by John Cabot
- 1524-1526: French exploration led by Giovanni da Verrazzano and Jacques Cartier
- 1596-1606: Dutch exploration led by Willem Barentsz and Henry Hudson
- 1610-1633: Swedish exploration led by Jonas Alströmer and Peter Minuit
- 1725-1742: Russian exploration led by Vitus Bering
(Note: These are approximate dates, as there were explorations and discoveries happening simultaneously during this period)

thank you